ADA4858-3ACPZ-R7

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The ADA4858-3ACPZ-R7 (hereinafter referred to as the "ADA4858") is a linear amplifier from Analog Devices. The ADA4858 is commonly used in instrumentation and is a low-voltage supply amplifier, featuring rail-to-rail input and output signal capabilities. It is a single-supply, high-performance amplifier which is suitable for a variety of applications in the instrumentation and data acquisition field. The unit operates from a single +2.5 V to +12 V supply while providing an output range of -2.5 V to +12 V when connected to a single supply. The ADA4858 is an excellent choice as an instrumentation amp, output buffer amplifier, and driver.

The ADA4858 provides high-accuracy and low-distortion amplification via its high-speed and low-power CMOS architecture. It is capable of supplying up to 1.4 A of output current without saturation and up to 105 dB of open-loop gain. Internally, the ADA4858 consists of an input stage, output stage and power amplifier section. The input stage feeds the signal of interest to the amplifier’s output stage and power amplifier section where the signal of interest is amplified and sent to the unit’s output pin. The ADA4858’s output pin provides a buffered output to drive additional stages such as external loads, or provide feedback to close the loop and provide closed-loop feedback control.

The ADA4858 is designed to work with various conditions and offers a number of features to improve performance and reliability of applications. It features an internal bandgap that ensures a stable voltage reference, low-noise common-mode voltage to ensure low noise operation in sensitive instrumentation, and current limiting and Thermal Shutdown Protection (TSP) that protects the device during overload conditions. Additionally, the ADA4858 offers a high slew rate, low distortion and high linearity to provide low-noise and high-accuracy for the application of interest.

As noted above, the ADA4858 is commonly used in instrumentation and data acquisition systems. It can be used as a driver for control systems, output buffer, or as a high-accuracy and low-power amplifier for precision instrumentation. Additionally, it can be used as a Voltage-to-Current (V-I) converter, buffer for sensor output, voltage amplifier for gain control and for motor control. The ADA4858 is also used in medical devices, communication systems, scientific instruments and computer periphrials like oscilloscopes, multimeters and logic analysers.

The ADA4858 is a versatile and high-performance amplifier that can be used in a variety of applications in the instrumentation and data acquisition field. Its high-accuracy and low-power amplifier coupled with its low-noise common-mode voltage and current limiting protection makes it an excellent choice for instrumentation and data acquisition applications.

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